Split GnuLinker into sub-tools and select the appropriate one in create_target

[builder.git] / source / gnulinker.cpp

diff --git a/source/gnulinker.cpp b/source/gnulinker.cpp
index 43fb373bf6f90236089d1bf4dd5997f79b5d218a..6eef8b3268da567f17385307e5c3022825fcd68a 100644 (file)
--- a/source/gnulinker.cpp
+++ b/source/gnulinker.cpp
@@ -22,6 +22,28 @@ GnuLinker::GnuLinker(Builder &b):
 {
        input_suffixes.push_back(".o");
        input_suffixes.push_back(".a");
+
+       const Architecture &arch = builder.get_current_arch();
+       if(arch.is_native())
+       {
+               system_path.push_back("/lib");
+               system_path.push_back("/usr/lib");
+               if(arch.match_name("pc-32-linux"))
+                       system_path.push_back("/usr/lib/i386-linux-gnu");
+               else if(arch.match_name("pc-64-linux"))
+                       system_path.push_back("/usr/lib/x86_64-linux-gnu");
+       }
+       else
+               system_path.push_back("/usr/"+arch.get_cross_prefix()+"/lib");
+
+       default_linker = new Linker(*this, "CC");
+       cxx_linker = new Linker(*this, "CXX");
+}
+
+GnuLinker::~GnuLinker()
+{
+       delete default_linker;
+       delete cxx_linker;
 }
 
 Target *GnuLinker::create_target(const list<Target *> &sources, const std::string &arg) const
@@ -29,10 +51,15 @@ Target *GnuLinker::create_target(const list<Target *> &sources, const std::strin
        if(sources.empty())
                throw invalid_argument("GnuLinker::create_target");
        list<ObjectFile *> objs;
+       Linker *linker = default_linker;
        for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
        {
                if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
+               {
                        objs.push_back(obj);
+                       if(obj->get_tool()->get_tag()=="CXX")
+                               linker = cxx_linker;
+               }
                else
                        throw invalid_argument("GnuLinker::create_target");
        }
@@ -43,32 +70,42 @@ Target *GnuLinker::create_target(const list<Target *> &sources, const std::strin
                bin = new SharedLibrary(builder, comp, objs);
        else
                bin = new Executable(builder, comp, objs);
-       bin->set_tool(*this);
+       bin->set_tool(*linker);
        return bin;
 }
 
-Task *GnuLinker::run(const Target &target) const
+Task *GnuLinker::run(const Target &) const
 {
-       const Binary &bin = dynamic_cast<const Binary &>(target);
-       const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin);
+       throw logic_error("GnuLinker should not be run directly");
+}
 
-       string command = "gcc";
 
-       const Target::Dependencies &depends = target.get_depends();
-       for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
-               if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
-               {
-                       const Tool *tool = obj->get_tool();
-                       if(dynamic_cast<const GnuCxxCompiler *>(tool))
-                               command = "g++";
-               }
+GnuLinker::Linker::Linker(GnuLinker &p, const string &compiler_tag):
+       SubTool(p)
+{
+       if(compiler_tag=="CC")
+               command = "gcc";
+       else if(compiler_tag=="CXX")
+               command = "g++";
+       else
+               throw invalid_argument("GnuLinker::Linker::Linker");
+}
+
+Target *GnuLinker::Linker::create_target(const list<Target *> &sources, const string &arg) const
+{
+       return parent.create_target(sources, arg);
+}
+
+Task *GnuLinker::Linker::run(const Target &target) const
+{
+       const Binary &bin = dynamic_cast<const Binary &>(target);
 
        vector<string> argv;
        argv.push_back(command);
 
        const Component &comp = *bin.get_component();
 
-       if(shlib)
+       if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
        {
                argv.push_back("-shared");
                argv.push_back("-fPIC");
@@ -79,8 +116,8 @@ Task *GnuLinker::run(const Target &target) const
                argv.push_back("-static");
 
        const BuildInfo &binfo = comp.get_build_info();
-       for(list<string>::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
-               argv.push_back("-L"+*i);
+       for(BuildInfo::PathList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
+               argv.push_back("-L"+i->str());
        if(binfo.strip)
                argv.push_back("-s");
        if(binfo.threads)
@@ -95,6 +132,8 @@ Task *GnuLinker::run(const Target &target) const
 
        argv.push_back("-o");
        argv.push_back(relative(bin.get_path(), work_dir).str());
+
+       const Target::Dependencies &depends = target.get_depends();
        for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
        {
                Target *tgt = (*i)->get_real_target();
@@ -103,8 +142,8 @@ Task *GnuLinker::run(const Target &target) const
                        argv.push_back(relative(obj->get_path(), work_dir).str());
                else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
                        argv.push_back(stlib->get_path().str());
-               else if(Library *lib = dynamic_cast<Library *>(tgt))
-                       argv.push_back("-l"+lib->get_libname());
+               else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
+                       argv.push_back("-l"+shlib->get_libname());
        }
 
        if(!builder.get_dry_run())